October 2024
Intermediate to advanced
974 pages
27h 14m
Spanish
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Capítulo 17. Técnicas estadísticas
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17.0 Introducción
Este capítulo trata varios temas relacionados con las técnicas estadísticas básicas. En su mayor parte, estas recetas se basan en las descritas en capítulos anteriores, como las técnicas de resumen tratadas en el Capítulo 10 y las técnicas de unión del Capítulo 16. Así pues, los ejemplos que aquí se presentan muestran formas adicionales de aplicar el material de esos capítulos. A grandes rasgos, los temas tratados en este capítulo son los siguientes:
Técnicas para caracterizar un conjunto de datos, como el cálculo de estadísticas descriptivas, la generación de distribuciones de frecuencias, el recuento de valores perdidos y el cálculo de regresiones por mínimos cuadrados o coeficientes de correlación
Métodos de aleatorización, por ejemplo, cómo generar números aleatorios y aplicarlos a la aleatorización de un conjunto de filas o a la selección aleatoria de elementos individuales de las filas
Técnicas de cálculo de diferencias de observaciones sucesivas, sumas acumuladas y medias móviles
Métodos para producir asignaciones de rango y generar clasificaciones por equipos
La estadística abarca un abanico de temas tan amplio y diverso que este capítulo necesariamente sólo araña la superficie y se limita a ilustrar algunas de las áreas potenciales en las que MySQL puede aplicarse al análisis estadístico. Ten en cuenta que algunas ...
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